Lake Iliamna
lake in Alaska
Lake Iliamna is a fly fishing paradise for anglers seeking giant rainbows. While the lake itself can be vast, fishing focuses on the mouths of its tributaries and the abundant sockeye runs.
Overcast skies
- 01Overcast skies, 44°F, and 20 mph SW winds define current conditions.
- 02Expect typical fall flows for Lake Iliamna, with larger water bodies remaining open.
- 03Subsurface tactics are crucial for Grayling due to cooling water temperatures and strong winds.
- 04Grayling will be feeding opportunistically on salmon eggs, midges, and caddis pupae.
- 05Limited dry fly opportunities may arise during brief calm windows, targeting BWO or midge activity.
Past reports week by week
8 weeksWhat to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
Zebra Midge (Black)
Midges are a primary and consistent food source year-round, even in cold fall water, and are highly effective for Grayling.
Blood Dot Egg
Fall is egg season, and Grayling will actively feed on salmon eggs in the system.
Buy at AmazonOctober Caddis (Dry)
The October Caddis is a prominent fall hatch, offering opportunistic Grayling a substantial meal on the surface.
Buy at AmazonSoft Hackle Wet (Partridge & Orange)
Caddis pupae are active through fall, and this wet fly effectively imitates them when swung through the current.
Buy at AmazonComparadun (BWO)
Blue-Winged Olive hatches can occur on overcast fall days, and this low-profile dry fly is excellent for selective Grayling.
Buy at AmazonGrayling Bug
Specifically designed for Grayling, this general invertebrate imitation is effective year-round, especially as water temperatures drop.
Micro Egg
Fish eggs are a consistent food source in systems with spawning salmon, and Grayling will opportunistically feed on them.
Buy at AmazonPMD Comparadun (BWO)
PMD hatches are known to be active in October, and this low-profile dry fly is excellent for selective Grayling feeding on emergers and adults.
Where to fish and who to ask
Gibraltar River Mouth
A significant tributary entering the lake, offering excellent opportunities for both salmon and trophy trout.
Mouth of Kvichak River
The outflow of Lake Iliamna, a prime location for staging salmon and massive rainbow trout.
Get Lake Iliamna reports by email
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Alaska season by season
What changes on the water through the year, with the flies for each season.
Read before you go
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Quick answers
Common questions about Lake Iliamna.
What flies work best on Lake Iliamna?
Our top scored fly patterns for Lake Iliamna right now are Yellow Sally (80% confidence), Trico Spinner (80% confidence), Clouser Minnow (Chartreuse/White) (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in Lake Iliamna?
Lake Iliamna holds Grayling. See the species links on this page for fly recommendations and seasonal behavior for each.
What are current flow conditions on Lake Iliamna?
Live USGS streamflow readings for Lake Iliamna are charted in the sidebar of this page and updated automatically from the nearest gauge.
Is Lake Iliamna fishing well right now?
We publish a fresh bite report for Lake Iliamna each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.